This paper deals with a descriptive account on the development of a wood preservation industry in Medan, North Sumatera (Indonesia). The industry was established in 1974 when the State Owned Electicity Corporation decided to use wooden power poles for their distribution network in North Sumatera province. However, the use of wooden power poles was discontinued in 1981, so as the preservation industry was severely affected. Some notes on the results of the full cell process, particularly on the percentage of over- and under-charged treatment, is also described in this paper.

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